Abstract: The present embodiments provide a medical device for implantation in a patient comprising a stent and a valve. The stent comprises a proximal region comprising a cylindrical shape having a first outer diameter in an expanded state, and a distal region comprising a cylindrical shape having a second outer diameter in the expanded state. The second outer diameter is greater than the first outer diameter. A proximal region of the valve is at least partially positioned within the proximal region of the stent, and the distal region of the valve is at least partially positioned within one of tapered and distal regions of the stent. When implanted, the proximal region of the stent and the proximal region of the valve are aligned with a native valve, and the distal region of the valve is distally spaced-apart from the native valve.

Abstract: An ankle arthroplasty system may have a talar prosthesis and a tibial prosthesis, each of which has an articular surface and a bone engagement surface. Each bone engagement surface may have an anterior-posterior curvature and a medial-lateral curvature with a convex shape. A burr with a rotatable cutting element may be used to form a prepared surface on the talus or the tibia to receive the corresponding prosthesis. A cutting guide may be used to guide motion of the burr; the cutting guide may include a base and an arm movably coupled to the base. One of the base and the arm may have a guide surface, and the other may have a follower that slides along the guide surface to constrain motion of the burr such that the prepared surface has at least one concave curvature and one convex curvature.

Abstract: Medical devices including vascular access kits and related system and methods are disclosed. In some embodiments, a vascular access system may include a first conduit, a second conduit, and an expandable stent that is coupled to both the first and second conduits such that there is a continuous lumen between the first conduit and the second conduit. Methods of deploying the vascular access system within the body of a mammal, more particularly, a human patient are disclosed. Methods of bypassing a section of vasculature of a mammal, more particularly, a human patient are disclosed. The vascular access system, when implanted and assembled, may be a fully subcutaneous surgical implant.

Abstract: An expandable tube for deployment within a blood vessel is disclosed. In one arrangement, the tube comprises an elongate frame that is reversibly switchable from a radially expanded and longitudinally contracted state to a radially contracted and longitudinally expanded state. The frame comprises a plurality of longitudinally deformable elements for providing longitudinal expansion and contraction of the frame and a plurality of circumferentially deformable elements for providing radial expansion and contraction of the frame. The longitudinally deformable elements can be expanded or contracted longitudinally substantially without any change in the shape of the circumferentially deformable elements. The plurality of circumferentially deformable elements comprises a plurality of sets of circumferentially deformable elements. Each set of circumferentially deformable elements forms a closed ring around an axis of elongation of the frame.

Abstract: Disclosed herein are a system and method for attaching an implant, such as an acetabular cup, to an adapter connector without requiring rotation of the connector or the implant, to allow for easy connection, manipulation, and insertion of the implant into a patient. An adapter connector or adapter inserter can include a collet and a collet spreader. The collet can include an exterior surface and an interior surface. The exterior surface can define a protuberance sized to engage an indentation in an adapter. The interior surface can define a collet cavity. The collet spreader can be located at least partially within the collet cavity. The collet spreader can include a flared surface and an engagement surface. The flared surface can be located at a first end of the collet spreader and arranged to engage the interior surface of the collet so as to cause the collet to expand.

Abstract: A stomach lining patch includes a collapsible frame, a membrane covering the collapsible frame, collapsible frame and the membrane providing a collapsed configuration suitable for endoluminal delivery to a stomach of a patient and an expanded configuration suitable for lining an internal surface of a gastric wall of the stomach, and a set of anchoring arms extending from the collapsible frame and being configured to pass through a puncture in the gastric wall and lay flat against an outer surface of the gastric wall when the collapsible frame and the membrane are in an expanded configuration lining the internal surface of the gastric wall.

Abstract: Systems and methods for opposing abnormal motion of an adjacent bone are provided. One exemplary embodiment of a surgical method includes delivering and securing a bone barrier to a bone bed of a glenoid such that at least a portion of the bone barrier extends laterally beyond the bone bed and can oppose, prevent, and/or reduce abnormal motion of an adjacent bone (e.g., a humeral head). The bone barrier can be secured along a periphery of a glenoid of a shoulder. More particularly, the bone barrier can be placed and secured such that at least a portion of the bone barrier extends laterally over the glenoid and can oppose abnormal motion of the humeral head. In some embodiments at least one suture anchor and suture can secure the bone barrier to the bone bed.

Abstract: The present embodiments provide a medical device for implantation in a patient comprising a stent and a valve. The stent comprises a proximal region comprising a cylindrical shape having a first outer diameter in an expanded state, and a distal region comprising a cylindrical shape having a second outer diameter in the expanded state. The second outer diameter is greater than the first outer diameter. A proximal region of the valve is at least partially positioned within the proximal region of the stent, and the distal region of the valve is at least partially positioned within one of tapered and distal regions of the stent. When implanted, the proximal region of the stent and the proximal region of the valve are aligned with a native valve, and the distal region of the valve is distally spaced-apart from the native valve.

Abstract: A system and method for treating critical limb ischemia (CLI) including a radiopaque micro stent disposed for cross ankle stenting as well as retrograde pedal/tibial artery access, in conjunction with antegrade access for the recanalization of impaired tibial vessels. A radiopaque medical device is constructed from a tubular-shaped body having a thin wall defining a specific strut pattern. In an additional aspect, the present apparatus introduces a new radiopaque medical device, such as a stent, wherein the tubular body includes a super elastic, nickel-titanium (nitinol) alloy.

Abstract: Devices and methods for reinforcing tissue grafts are described herein. In one embodiment, an implant is described that includes a proximal end portion having a through-hole formed therein, a distal end portion, and a reinforcing insert disposed in the through-hole. The insert includes a proximal face, a distal face opposed to the proximal face, a first upper surface extending between the proximal and distal faces and having a generally convex shape that abuts against at least a portion of a sidewall of the through-hole, and a second lower surface extending between the proximal and distal faces and having a generally concave shape. The second lower surface and portions of the sidewall of the through-hole not abutted by the first upper surface form a reinforced through-hole of the implant.

Abstract: A ceramic acetabular cup devoid of a separate liner comprises a part-spherical inner articulating surface and an outer surface. An inner radius at or adjacent to a rim of the cup extends to or adjacent to a surface edge of the inner articulating surface. An inner radius of the inner articulating surface defines an active arc, and an uppermost portion of the rim defines an offset datum plane. An offset is provided between an equatorial centre of the inner articulating surface and the offset datum plane. The active arc extends in a range from around 150 degrees to less than 180 degrees, and a distance between the inner articulating surface and outer surface on a straight line from the said equatorial centre and passing through the surface edge is equal to or less than 4 mm.

Abstract: Examples of an apparatus, system and method for changing a geometry of a mitral valve of a heart are described herein. In one example embodiment, the apparatus comprises an anchor having a body for positioning and anchoring within a coronary sinus vein of the heart. The body has a first end and a second end that is spaced apart from the first end; a longitudinally extending axis; and a wall with an interior volume extending between the first and second ends, the interior volume being adapted for receiving a steerable catheter. The apparatus also includes a first link member having a proximal end nearest to the anchor and a distal end spaced apart from the proximal end. The proximal end of the first link member is coupled to the anchor by a joint configured to provide for movement of the first link member in one direction relative to the anchor.

Abstract: A sleeve for use with a percutaneous, external fixation device is disclosed, wherein the sleeve includes a sleeve body with an interior space in which the percutaneous device can be disposed, a flange that extends at a substantially perpendicular angle to the sleeve body, and a cutting edge extending from the sleeve body below the flange. The cutting edge is designed for placement in contact with the skin adjacent to the percutaneous device so as to define a leading edge thereof in a primary anticipated direction of migration of the percutaneous device. Kits and assemblies that include sleeves and percutaneous devices are also disclosed. Further disclosed are methods of reducing tension in a patient's skin following placement of the percutaneous device via use of the sleeve, as well as methods of adjusting and readjusting the assembly upon placement.

Abstract: Embodiments herein relate to an implant for insertion into a patient. The implant comprises a plurality of unit cells arranged to form a three-dimensional lattice structure, the three-dimensional structure comprising a resting volume of the implant. The plurality of unit cells are arranged to form a porous network of the three-dimensional structure, and wherein the three-dimensional structure is a reversibly compressible three-dimensional structure, wherein a bulk porosity of the three-dimensional structure of the implant is at least 50%. Also disclosed is a method of tissue reconstruction or tissue augmentation. The method comprises implanting into the body of a subject an implant of the disclosure.

Abstract: Prosthetic heart valve devices for percutaneous replacement of native heart valves and associated systems and method are disclosed herein. A prosthetic heart valve device configured in accordance with a particular embodiment of the present technology can include an expandable support having an outer surface and configured for placement between leaflets of the native valve. The device can also include a plurality of asymmetrically arranged arms coupled to the expandable support and configured to receive the leaflets of the native valve between the arms and the outer surface. In some embodiments, the arms can include tip portions for engaging a subannular surface of the native valve.

Abstract: The present invention relates to an improved glenoid adapter for shoulder prostheses, in particular for the conversion of an anatomic resurfacing prosthesis to a reverse shoulder prosthesis, comprising: •—at least one fixing projection (2) having an own axis (X) and being arranged to be fixed to the glenoid cavity (301) of the scapula (300) •—a flange (4) integral with said fixing projection (2); •—an attachment portion (3) integral with the flange (4) and extended in the direction opposite said fixing projection (2), as well as arranged to be coupled with an articular component (10) of reverse prosthesis provided with a convex articular surface (11), said attachment portion (3) having an own longitudinal axis (Y); both the fixing projection (2) and the attachment portion (3) have truncated-cone shape and that the axis of the attachment portion (Y) is misaligned with respect to the fixing projection axis (X); said flange (4) has a glenoid surface (4a) from which said fixing attachment (2) rises.

Abstract: Features for a restraint, such as a cap, are described. The restraint secures a cardiac device in a collapsed, delivery configuration for transcatheter delivery to a heart. The restraint may have a tubular sidewall extending from a proximal end to a distal end, a proximal opening defined by the sidewall at the proximal end and a channel defined by the sidewall and extending distally from the proximal opening. The restraint is configured to receive the implant in the collapsed configuration through the proximal opening to radially restrain the implant within the channel. The restraint eliminates the need for a surrounding sheath, reducing the delivery profile and size of the overall delivery system, among other advantages. The restraint may have an atraumatic leading edge to reduce the risk of injury to the patient.

Abstract: A device for implanting in a gastrointestinal system of a patient may include an elongate flow modulator configured to be inserted in an intestine, wherein the flow modulator defines an enclosed interior space to hold a fill material.

Abstract: Prostheses, acetabular apparatuses, and methods of use are disclosed. In some embodiments, an acetabular apparatus includes an acetabular cup, a pre-assembled liner and flange construct, and a dual mobility bearing (e.g., a dual articulating femoral head component and insert). In one embodiment, the pre-assembled liner and flange construct may be coupled together by a band coupled to the flanges, the band being arranged and configured to be pressed onto an outer surface of a liner. The pre-assembled liner and flange construct being arranged and configured to accept the dual mobility bearing so that it is freely rotatable relative thereto during use.

Abstract: A medical implant for treating bone defects. The implant has at least one hollow body delimiting an inner chamber in the interior of the hollow body, a fluid feed line connected in a fluid-permeable manner with the inner chamber, and a fluid discharge line connected in a fluid-permeable manner with the inner chamber. The hollow body consists at least in places or wholly of at least one plastic material that is impermeable to liquids and permeable to oxygen and to carbon dioxide, such that oxygen is deliverable from a fluid passed through the hollow body to, and carbon dioxide is absorbable into the fluid from, the surroundings of the hollow body. Also disclosed is a bone defect treatment system having such a medical implant and the fluid, wherein the fluid contains oxygen and is suitable for absorbing oxygen, and to a method for gas-flushing a surface of a medical implant.